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Finding the Fourth Proportional to 112,337,984.70, 157,726,674.90 and 112,337,984.70

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Solution

The fourth proportional to 112,337,984.70, 157,726,674.90 and 112,337,984.70 is: 157,726,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,337,984.70 : 157,726,674.90 = 112,337,984.70 : x
  2. Step 2: Convert to fraction form
    112,337,984.70/157,726,674.90 = 112,337,984.70/x
  3. Step 3: Cross multiply
    112,337,984.70x = 157,726,674.90 × 112,337,984.70
  4. Step 4: Simplify right side
    112,337,984.70x = 17,718,696,791,698,076
  5. Step 5: Solve for x
    x = 17,718,696,791,698,076/112,337,984.70
  6. Step 6: Final answer
    x = 157,726,674.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.